Nfa A106 over Collins River
FairGrundy County, Tennessee · 2.5 M N of Palmer · Structure no. 310A1060001
- Built
- 1994
- 31 years old
- Condition
- Fair
- inspected June 2024
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete Continuous
- Length
- 90 ft
- 2 main spans
- Daily traffic
- 50
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Nfa A106 over Collins River is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa A106 over Collins River in Grundy County, Tennessee. It was built in 1994, so it is 31 years old, younger than the Tennessee average of 47.4 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 50 vehicles a day, roughly 2% of them trucks, projected to reach 80 by 2040. The structure is 90 ft (27.4 m) long and 24 ft wide. If it were closed, the detour would be 123.7 mi (199 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nfa A106 over Collins River built?
It was built in 1994, making it 31 years old in 2025.
What condition is Nfa A106 over Collins River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.
How much traffic does Nfa A106 over Collins River carry?
About 50 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is Nfa A106 over Collins River?
The structure is 90 ft (27.4 m) long with a longest span of 45 ft (13.7 m) and a deck 24 ft wide.
Who owns Nfa A106 over Collins River?
It is owned by the County Highway Agency.